Blood
User medicalnews33 on YouTube,
Still talking about blood donations and blood stem cell aging, but with a little bit better quality. I'm sorry I can't do…
The Reason Why We Can't Live Forever
User Seeker on YouTube,
Every day, every single person is growing older and older. It might be depressing to think about, but eventually, we will all…
Blood From World's Oldest Woman Suggests Life Limit
User Newsy Science on YouTube,
Scientists say for the extremely elderly, their stem cells might reach a state of exhaustion. This could limit one's life span.